Sources and Migration of Highway Runoff Pollutants. Volume 2. Methods

摘要

The document, the second in the volume report identifies the sources of highway pollutants, and determines their deposition and accumulation within the highway system and subsequent removal from the highway system to the surrounding environment. Included in the report are the details of monitoring site selection and field monitoring procedures. Data collected at four sites included atmospheric deposition and removal, saltation, highway surface loads, runoff quantity and quality, groundwater percolation, soil and vegetation, traffic characteristics, highway maintenance, climatological data and source investigative studies.